import time


# 装饰器
def timer(func):
  def warpper(*args, **kwargs):
    start_time = time.time()
    func()
    stop_time = time.time()
    print('the func run time is %s' % (stop_time - start_time))

  return warpper


@timer
def test1():
  time.sleep(3)
  print('in the test1')


test1()
